EP 4063655 A4 20221228 - PUMP
Title (en)
PUMP
Title (de)
PUMPE
Title (fr)
POMPE
Publication
Application
Priority
- KR 20190150619 A 20191121
- KR 2020013671 W 20201007
Abstract (en)
[origin: EP4063655A1] A pump comprises: a housing: a stator disposed inside the housing; a pump gear which is disposed to correspond to the stator and which includes an external gear and an internal gear; and a magnet disposed on the external gear, wherein the magnet includes a first outer circumferential surface , the external gear includes a second outer circumferential surface , and the curvature of the first outer circumferential surface can be smaller than the curvature of the second outer circumferential surface.
IPC 8 full level
F04C 2/10 (2006.01); F04C 15/00 (2006.01); H02K 1/27 (2022.01); H02K 7/116 (2006.01)
CPC (source: EP KR US)
F04C 2/10 (2013.01 - KR); F04C 2/102 (2013.01 - EP US); F04C 15/008 (2013.01 - EP KR US); H02K 1/278 (2013.01 - EP US); H02K 1/2786 (2013.01 - KR); H02K 7/116 (2013.01 - EP KR); F04C 2210/14 (2013.01 - KR); F04C 2210/206 (2013.01 - EP KR); F04C 2240/20 (2013.01 - KR US); F04C 2240/30 (2013.01 - EP KR); F04C 2240/40 (2013.01 - EP KR US); F05B 2210/11 (2013.01 - KR); F05B 2240/20 (2013.01 - KR); H02K 2213/03 (2013.01 - EP)
Citation (search report)
- [XI] US 2012164009 A1 20120628 - SAKATA TAKATOSHI [JP]
- [A] US 2016365779 A1 20161215 - WATANABE AKIRA [JP], et al
- [A] CN 107147256 A 20170908 - ZHEJIANG DIBAY ELECTRIC COMPANY LTD
- [A] US 2017085143 A1 20170323 - TANAKA TOSHINORI [JP], et al
- See also references of WO 2021101062A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
EP 4063655 A1 20220928; EP 4063655 A4 20221228; CN 114746652 A 20220712; CN 114746652 B 20240416; JP 2023502630 A 20230125; KR 20210062411 A 20210531; US 2022412349 A1 20221229; WO 2021101062 A1 20210527
DOCDB simple family (application)
EP 20889137 A 20201007; CN 202080080251 A 20201007; JP 2022528082 A 20201007; KR 20190150619 A 20191121; KR 2020013671 W 20201007; US 202017756346 A 20201007